PK0-005 Project Life Cycle Practice Question
A project team is estimating costs for a new software development project. They use data from a similar previous project and adjust for size differences. Which estimating technique is being used?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Analogous estimating
Analogous estimation uses historical data from similar projects, adjusted for differences.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Parametric estimating
Why it's wrong here
Parametric uses statistical relationship with variables.
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Bottom-up estimating
Why it's wrong here
Bottom-up estimating relies on decomposing the current project into individual work packages and summing their detailed cost estimates, not on adjusting historical data from a dissimilar project for size differences. It is tempting because bottom-up estimating also uses historical data, but it applies that data to each component of the *same* project rather than scaling a previous project’s total cost. This technique would be correct if the team had a detailed work breakdown structure for the current project and needed granular cost accuracy.
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Three-point estimating
Why it's wrong here
Three-point uses optimistic, pessimistic, most likely.
- ✓
Analogous estimating
Why this is correct
Analogous uses past similar projects as basis.
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